The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Aug. 26, 2003
Filed:
Apr. 02, 2001
Applicant:
Inventors:
Assignee:
Takeda Chemical Industries, Ltd., Osaka, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61K 3/150 ; A61K 3/1501 ;
U.S. Cl.
CPC ...
A61K 3/150 ; A61K 3/1501 ;
Abstract
A condensed pyridazine derivative which exhibits anti-allergic activity, anti-histaminic activity and/or eosinophil chemotaxis-inhibiting activity, anti-inflammatory activity, anti-PAF (platelet-activating factor) activity, and the like, and is useful as an agent for preventing or treating asthma, allergic conjunctivitis, allergic rhinitis, urticaria, atopic dermatitis, and the like.